Amanita neoneglecta - Amanitaceae.org - Taxonomy and Morphology of Amanita and Limacella
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name Amanita neoneglecta
name status nomen acceptum
author Tulloss
english name "Murrill's Neglected Amanita"
synonyms
=Amanita neglecta Murrill nom. illeg. non Boedijn
images
intro The following material is largely based on the original description (Murrill, 1955) and the study of the type by Jenkins (1979).
cap

The cap of A. neoneglecta is 32 - 50 mm wide, convex to plano-convex, white, with a slightly incurved, nonstriate and nonappendiculate margin.  Volval remnants may be present as pyramidal warts or patches or as a slight flocculence covering most of the cap.

gills The gills are adnate to narrowly adnexed or barely free, crowded, and white
stem The stem is 40 - 60 × 4 - 15 mm, white, narrowing slightly upward, and flaring at the top. The bulb is small, ovoid, and white. The ring is superior, membranous, white, and skirt-like; it is often persistent, but may become ragged. Volval remnants are sometimes present as a friable white limb on the top of the bulb, but are often absent. The flesh is solid and white.
spores According to Jenkins (1979) study of Murrill''s type, the spores measure 8.6 - 10.2 × 3.9 - 5.5 µm and are amyloid and elongate to cylindric.  Presence of clamps not reported, but probably absent.
discussion

Amanita neoneglecta was originally described from hardwood-pine forest in Florida.

Although Bas (1969) did not treat the present species as belonging in section Lepidella, it bears certain resemblance to the species of subsection Limbatulae Bas.  The characteristics of the volva in the present species are not fully known.  If the formation of a limb on the bulb is due to a distinct but thin submembranous outer layer, then this species probably would be placed in subsection Limbatulae.  Bas proposed three stirpes within his subsection Limbatulae.  In stirps Preissii, no known North American taxa have a spore shape similar to that reported for A. neoneglecta.  In stirps Roanokensis, all taxa have spores markedly narrower than does the present species.  In stirps Limbatula, there are two taxa that have a persistent ring on the stem: A. parva (Murrill) Murrill and A. praelongispora (Murrill) Murrill.  If the present species were to be one of these, it would have clamps at the bases of some basidia.  The fact that clamps could not be found at bases of basidia due to poor preservation of the type (Jenkins 1979) limits us from speculating further about classification in section Lepidella.  If the volva lacks a submembranous layer on the outer surface and clamps are lacking from the fruiting bodies and the subhymenium is cellular, the present species is properly placed in section Validae.  RET would be very grateful for any dried material from Florida or the Gulf Coast that might represent A. neoneglecta.—R. E. Tulloss and L. Possiel

brief editors RET

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